33005042 has 16 divisors (see below), whose sum is σ = 56853312. Its totient is φ = 14076720.

The previous prime is 33005039. The next prime is 33005047. The reversal of 33005042 is 24050033.

It is a self number, because there is not a number n which added to its sum of digits gives 33005042.

It is not an unprimeable number, because it can be changed into a prime (33005047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 8540.

It is an arithmetic number, because the mean of its divisors is an integer number (3553332).

Almost surely, 2^33005042 is an apocalyptic number.

33005042 is a deficient number, since it is larger than the sum of its proper divisors (23848270).

33005042 is a wasteful number, since it uses less digits than its factorization.

33005042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 33005042 is about 5745.0014795472. The cubic root of 33005042 is about 320.7697679132.

Subtracting from 33005042 its sum of digits (17), we obtain a square (33005025 = 5745²).

Adding to 33005042 its reverse (24050033), we get a palindrome (57055075).

The spelling of 33005042 in words is "thirty-three million, five thousand, forty-two".